The magnetometer will record what, if any, magnetic field the asteroid has, thus revealing whether it was ever part of an object large enough to have possessed the molten iron core needed to generate such a field.

ECONOMIST: An erotic encounter

The heat that keeps the core of the earth molten is primarily radioactive decay -it is what makes rock into liquid lava.

FORBES: Quake-Rattled Nuke Plant Loses Power in Virginia

Bush-hatred eventually spread from a molten core of leftists to set the cultural tone of the country.

ECONOMIST: Lexington

Japanese researchers say the basalt in NWA 011 suggests the body from which it did originate had a core of molten iron with an outer covering of silicon and aluminium that formed a basaltic crust.

BBC: Mercury meteorite puzzle